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Proportional compass, made by Galileo, was a sophisticated calculator for arithmetical and geometric equations which could measure astronomical and architectural angles but was used primarly as a weapon's sight for the aiming of cannon barrels.
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Details
- Date: 1900
- Physical Dimensions: B/W PRINT
- Subject Keywords: Galileo, Equipment, Astronomy, Compasses, 1900s
- Publisher: TimeLife
- Usage: For personal non-commercial use only
- Provider: LIFE
- Original ID: TimeLife_image_1266717
- Credits: MANSELL COLLECTION
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